Feature:1. Widely Used: 15 inch surface cleaner with up to 4000 PSI pressure washer is ideal for cleaning floors made of different materials such as plastic, concrete, tile, and natural stone.2. Hard Brush: 15 inch pressure washer surface cleaner has a hard brush that effectively removes dirt and debris, resists abrasion and prevents high pressure water spray.3. Air Inlet: The air inlet at the top of the valve disc of the 4000 psi pressure washer surface cleaner helps air escape and creates a downward force to prevent lifting.4. High Efficiency: The 15 inch surface cleaner has dual pressure water jets that rotate quickly to pulverize dirt without leaving streaks or streaks on the surface. Speeds up to 5 times faster than standard nozzles.5. Premium Material: 15 inch pressure washer surface cleaner features heavy duty brass and hardened stainless steel construction for rugged durability and long life.Specification:Item Type: 15 Inch Pressure Washer Surface CleanerMaterial: Stainless Steel, BrassWeight: Approx. 4170g/147.1ozDiameter: 15 InchesMaximum Working Pressure: 4000 PSIInterface: 1/4inch Quick Connector.Package List:1 x15 Inch Pressure Washer Surface Cleaner2 x Connecting Rod1 x Rubber Ring7 x Accessories1 x ManualNote:1. To avoid the nodules being clogged with sand or other debris, you can use a water inline filter.2. If the nozzle is difficult to remove, please heat it with a hot air blower before removing.